To get past the skeleton door to find Classi in The Thin White Line in South Park: The Fractured But Whole go into the morgue, pull back the bed on the left side and collect the forensics room key:

To get past the skeleton door pull back the left bed in the morgue and collect the forensics room key.

Go into the forensics room and go to the top left of the room. Enter investigation mode and hover over the electrical box and use Snap N Pops to pop it open:

To get past the skeleton door open investigation mode and pop open the electrical box with Snap N Pops.

Enter investigation mode and hover over the electrical box and select the hamster icon. Go to the highlighted area and follow the button prompts. Stand in front of the room to the right, open time controls to pause time and enter the room and collect the forensics cabinet key:

To get past the skeleton door pause time and collect the forensics cabinet key on the ground in the right room.

Go to the back of the room and open the forensics cabinet. Enter investigation mode and hover over the pipe nozzle and select the nozzle icon:

To get past the skeleton door hover over the pipe nozzle and select the nozzle icon.

Go to the highlighted area and follow the button prompts. Go into the room to the right, enter investigation mode and highlight the green panel on the ground:

To get past the skeleton door open investigation mode, hover over the green panel in the ground and select the hands icon.

Select the hands icon. Go to the highlighted are and follow the button prompts. Pick up the skeleton key and use it to open the skeleton door.s